1.

2.

3. -7/30
4. i believe it is the communitive of multiplication , but not 100% sure
Step-by-step explanation:
option D is answer coz parallelograms and rectangles have the angle greater than 90°……
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Answer:
7k
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Step-by-step explanation:
We are trying to combine like terms with the expression: -k - ( - 8k)
We are pretty much solving it.
Solve:
-k - ( - 8k)
The "- ( -" turns into a plus sign.
So it would look like:
-k - -8k or -k + 8k
Now, you would finish solving
-k + 8k = 7k
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Answer:
Step-by-step explanation:
THe answer is C
Answer:
m=9/8
Step-by-step explanation:
64m^2 -5=76
64m^2 =76+5
64m^2=81
m^2=81/64
m=
m=9/8